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#include <StorageAccount.h>
Classes | |
| struct | Counter |
| class | Stamp |
Public Types | |
| typedef std::map< std::string, Counter > | OperationStats |
| typedef std::map< std::string, boost::shared_ptr < OperationStats > > | StorageStats |
Static Public Member Functions | |
| static Counter & | counter (const std::string &storageClass, const std::string &operation) |
| static void | fillSummary (std::map< std::string, std::string > &summary) |
| static const StorageStats & | summary (void) |
| static std::string | summaryText (bool banner=false) |
| static std::string | summaryXML (void) |
Definition at line 9 of file StorageAccount.h.
| typedef std::map<std::string, Counter> StorageAccount::OperationStats |
Definition at line 30 of file StorageAccount.h.
| typedef std::map<std::string, boost::shared_ptr<OperationStats> > StorageAccount::StorageStats |
Definition at line 31 of file StorageAccount.h.
| StorageAccount::Counter & StorageAccount::counter | ( | const std::string & | storageClass, |
| const std::string & | operation | ||
| ) | [static] |
Definition at line 96 of file StorageAccount.cc.
References CommonMethods::lock(), pos, s_mutex, s_stats, and x.
Referenced by StorageFactory::check(), StorageAccountProxy::close(), StorageAccountProxy::flush(), StorageFactory::open(), StorageAccountProxy::resize(), StorageFactory::stagein(), StorageAccountProxy::StorageAccountProxy(), storageCounter(), and StorageAccountProxy::~StorageAccountProxy().
{
boost::mutex::scoped_lock lock (s_mutex);
boost::shared_ptr<OperationStats> &opstats = s_stats [storageClass];
if (!opstats) opstats.reset(new OperationStats);
OperationStats::iterator pos = opstats->find (operation);
if (pos == opstats->end ()) {
Counter x = { 0, 0, 0, 0, 0 };
pos = opstats->insert (OperationStats::value_type (operation, x)).first;
}
return pos->second;
}
| void StorageAccount::fillSummary | ( | std::map< std::string, std::string > & | summary | ) | [static] |
Definition at line 392 of file SiPixelActionExecutor.cc.
References DQMStore::book1D(), DQMStore::cd(), SiPixelActionExecutor::configParser_, relmon_rootfiles_spy::contents, gather_cfg::cout, MonitorElement::Fill(), SiPixelActionExecutor::fillGrandBarrelSummaryHistos(), SiPixelActionExecutor::fillGrandEndcapSummaryHistos(), SiPixelActionExecutor::fillSummary(), spr::find(), DQMStore::get(), MonitorElement::getBinContent(), SiPixelActionExecutor::GetBladeSubdirs(), MonitorElement::getEntries(), MonitorElement::getMean(), SiPixelConfigParser::getMENamesForGrandBarrelSummary(), SiPixelConfigParser::getMENamesForGrandEndcapSummary(), DQMStore::getMEs(), MonitorElement::getName(), MonitorElement::getNbinsX(), MonitorElement::getNbinsY(), MonitorElement::getRMS(), DQMStore::getSubdirs(), SiPixelActionExecutor::getSummaryME(), MonitorElement::getTH1F(), DQMStore::goUp(), isum, findQualityFiles::jj, nlast, prof2calltree::prefix, DQMStore::pwd(), tablePrinter::rows, lumiContext::sname, SiPixelActionExecutor::source_type_, mathSSE::sqrt(), GlobalPosition_Frontier_DevDB_cff::tag, groupFilesInBlocks::temp, and indexGen::title.
Referenced by TFileAdaptor::statsXML().
{
//cout<<"entering SiPixelActionExecutor::fillSummary..."<<endl;
string currDir = bei->pwd();
//cout<<"currDir= "<<currDir<<endl;
string prefix;
if(source_type_==0) prefix="SUMRAW";
else if (source_type_==1) prefix="SUMDIG";
else if (source_type_==2) prefix="SUMCLU";
else if (source_type_==3) prefix="SUMTRK";
else if (source_type_==4) prefix="SUMHIT";
else if (source_type_>=7 && source_type_<20) prefix="SUMCAL";
else if (source_type_==20) prefix="SUMOFF";
if (currDir.find(dir_name) != string::npos) {
vector<MonitorElement*> sum_mes;
for (vector<string>::const_iterator iv = me_names.begin();
iv != me_names.end(); iv++) {
if(source_type_==5||source_type_==6){
if((*iv)=="errorType"||(*iv)=="NErrors"||(*iv)=="fullType"||(*iv)=="chanNmbr"||
(*iv)=="TBMType"||(*iv)=="EvtNbr"||(*iv)=="evtSize"||(*iv)=="linkId"||
(*iv)=="ROCId"||(*iv)=="DCOLId"||(*iv)=="PXId"||(*iv)=="ROCNmbr"||
(*iv)=="TBMMessage"||(*iv)=="Type36Hitmap")
prefix="SUMRAW";
else if((*iv)=="ndigis"||(*iv)=="adc")
prefix="SUMDIG";
else if((*iv)=="nclusters"||(*iv)=="x"||(*iv)=="y"||(*iv)=="charge"||
(*iv)=="size"||(*iv)=="sizeX"||(*iv)=="sizeY"||(*iv)=="minrow"||
(*iv)=="maxrow"||(*iv)=="mincol"||(*iv)=="maxcol")
prefix="SUMCLU";
if(currDir.find("Track")!=string::npos) prefix="SUMTRK";
else if((*iv)=="residualX"||(*iv)=="residualY")
prefix="SUMTRK";
else if((*iv)=="ClustX"||(*iv)=="ClustY"||(*iv)=="nRecHits"||(*iv)=="ErrorX"||(*iv)=="ErrorY")
prefix="SUMHIT";
else if((*iv)=="Gain1d"||(*iv)=="GainChi2NDF1d"||
(*iv)=="GainChi2Prob1d"||(*iv)=="Pedestal1d"||
(*iv)=="GainNPoints1d"||(*iv)=="GainHighPoint1d"||
(*iv)=="GainLowPoint1d"||(*iv)=="GainEndPoint1d"||
(*iv)=="GainFitResult2d"||(*iv)=="GainDynamicRange2d"||
(*iv)=="GainSaturate2d"||
(*iv)=="ScurveChi2ProbSummary"||(*iv)=="ScurveFitResultSummary"||
(*iv)=="ScurveSigmasSummary"||(*iv)=="ScurveThresholdSummary"||
(*iv)=="pixelAliveSummary" || (*iv) == "SiPixelErrorsCalibDigis")
prefix="SUMCAL";
}
MonitorElement* temp; string tag;
if((*iv).find("residual")!=string::npos){ // track residuals
tag = prefix + "_" + (*iv) + "_mean_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
tag = prefix + "_" + (*iv) + "_RMS_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
}else if(prefix == "SUMCAL"){ // calibrations
if((*iv)=="Gain1d" || (*iv)=="GainChi2NDF1d" || (*iv)=="GainChi2Prob1d" ||
(*iv)=="GainNPoints1d" || (*iv)=="GainHighPoint1d" ||
(*iv)=="GainLowPoint1d" || (*iv)=="GainEndPoint1d" ||
(*iv)=="GainDynamicRange2d" || (*iv)=="GainSaturate2d" ||
(*iv)=="Pedestal1d" ||
(*iv)=="ScurveChi2ProbSummary" || (*iv)=="ScurveFitResultSummary" ||
(*iv)=="ScurveSigmasSummary" || (*iv)=="ScurveThresholdSummary"){
tag = prefix + "_" + (*iv) + "_mean_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
tag = prefix + "_" + (*iv) + "_RMS_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
}else if((*iv) == "SiPixelErrorsCalibDigis"){
tag = prefix + "_" + (*iv) + "_NCalibErrors_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
}else if((*iv)=="GainFitResult2d"){
tag = prefix + "_" + (*iv) + "_NNegativeFits_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
}else if((*iv)=="pixelAliveSummary"){
tag = prefix + "_" + (*iv) + "_FracOfPerfectPix_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
tag = prefix + "_" + (*iv) + "_mean_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
}
}else{
tag = prefix + "_" + (*iv) + "_" + currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
if((*iv)=="ndigis"){
tag = prefix + "_" + (*iv) + "FREQ_"
+ currDir.substr(currDir.find(dir_name));
temp = getSummaryME(bei, tag);
sum_mes.push_back(temp);
}
if(prefix=="SUMDIG" && (*iv)=="adc"){
tag = "ALLMODS_" + (*iv) + "COMB_" + currDir.substr(currDir.find(dir_name));
temp = bei->book1D(tag.c_str(), tag.c_str(),128, 0., 256.);
sum_mes.push_back(temp);
}
if(prefix=="SUMCLU" && (*iv)=="charge"){
tag = "ALLMODS_" + (*iv) + "COMB_" + currDir.substr(currDir.find(dir_name));
temp = bei->book1D(tag.c_str(), tag.c_str(),100, 0., 200.); // To look to get the size automatically
sum_mes.push_back(temp);
}
}
}
if (sum_mes.size() == 0) {
edm::LogInfo("SiPixelActionExecutor") << " Summary MEs can not be created" << "\n" ;
return;
}
vector<string> subdirs = bei->getSubdirs();
//Blade
if(dir_name.find("Blade_") == 0) GetBladeSubdirs(bei, subdirs);
int ndet = 0;
for (vector<string>::const_iterator it = subdirs.begin();
it != subdirs.end(); it++) {
if (prefix!="SUMOFF" && (*it).find("Module_") == string::npos) continue;
if (prefix=="SUMOFF" && (*it).find(isbarrel?"Layer_":"Disk_") == string::npos) continue;
bei->cd(*it);
ndet++;
vector<string> contents = bei->getMEs();
for (vector<MonitorElement*>::const_iterator isum = sum_mes.begin();
isum != sum_mes.end(); isum++) {
for (vector<string>::const_iterator im = contents.begin();
im != contents.end(); im++) {
string sname = ((*isum)->getName());
string tname = " ";
tname = sname.substr(7,(sname.find("_",7)-6));
if(sname.find("ALLMODS_adcCOMB_")!=string::npos) tname = "adc_";
if(sname.find("ALLMODS_chargeCOMB_")!=string::npos) tname = "charge_";
if(sname.find("_charge_")!=string::npos && sname.find("Track_")==string::npos) tname = "charge_";
if(sname.find("_nclusters_")!=string::npos && sname.find("Track_")==string::npos) tname = "nclusters_";
if(sname.find("_size_")!=string::npos && sname.find("Track_")==string::npos) tname = "size_";
if(sname.find("_charge_OffTrack_")!=string::npos) tname = "charge_OffTrack_";
if(sname.find("_nclusters_OffTrack_")!=string::npos) tname = "nclusters_OffTrack_";
if(sname.find("_size_OffTrack_")!=string::npos) tname = "size_OffTrack_";
if(sname.find("_sizeX_OffTrack_")!=string::npos) tname = "sizeX_OffTrack_";
if(sname.find("_sizeY_OffTrack_")!=string::npos) tname = "sizeY_OffTrack_";
if(sname.find("_charge_OnTrack_")!=string::npos) tname = "charge_OnTrack_";
if(sname.find("_nclusters_OnTrack_")!=string::npos) tname = "nclusters_OnTrack_";
if(sname.find("_size_OnTrack_")!=string::npos) tname = "size_OnTrack_";
if(sname.find("_sizeX_OnTrack_")!=string::npos) tname = "sizeX_OnTrack_";
if(sname.find("_sizeY_OnTrack_")!=string::npos) tname = "sizeY_OnTrack_";
//if(sname.find("ALLMODS")!=string::npos) cout<<"sname and tname= "<<sname<<","<<tname<<endl;
if(tname.find("FREQ")!=string::npos) tname = "ndigis_";
if (((*im)).find(tname) == 0) {
string fullpathname = bei->pwd() + "/" + (*im);
//cout<<"!!!!!!!!!!!!!!!!!!!!!!SNAME= "<<sname<<endl;
MonitorElement * me = bei->get(fullpathname);
if (me){
if(sname.find("_charge")!=string::npos && sname.find("Track_")==string::npos && me->getName().find("Track_")!=string::npos) continue;
if(sname.find("_nclusters_")!=string::npos && sname.find("Track_")==string::npos && me->getName().find("Track_")!=string::npos) continue;
if(sname.find("_size")!=string::npos && sname.find("Track_")==string::npos && me->getName().find("Track_")!=string::npos) continue;
//cout<<"tell me the sname and me name: "<<sname<<" , "<<me->getName()<<endl;
// fill summary histos:
if (sname.find("_RMS_")!=string::npos &&
sname.find("GainDynamicRange2d")==string::npos &&
sname.find("GainSaturate2d")==string::npos){
(*isum)->Fill(ndet, me->getRMS());
}else if (sname.find("GainDynamicRange2d")!=string::npos ||
sname.find("GainSaturate2d")!=string::npos){
float SumOfEntries=0.; float SumOfSquaredEntries=0.; int SumOfPixels=0;
for(int cols=1; cols!=me->getNbinsX()+1; cols++) for(int rows=1; rows!=me->getNbinsY()+1; rows++){
SumOfEntries+=me->getBinContent(cols,rows);
SumOfSquaredEntries+=(me->getBinContent(cols,rows))*(me->getBinContent(cols,rows));
SumOfPixels++;
}
float MeanInZ = SumOfEntries / float(SumOfPixels);
float RMSInZ = sqrt(SumOfSquaredEntries/float(SumOfPixels));
if(sname.find("_mean_")!=string::npos) (*isum)->Fill(ndet, MeanInZ);
if(sname.find("_RMS_")!=string::npos) (*isum)->Fill(ndet, RMSInZ);
}else if (sname.find("_FracOfPerfectPix_")!=string::npos){
//printing cout<<"nbins = "<<me->getNbinsX()<<" , "<<me->getBinContent(me->getNbinsX()-1)<<" , "<<me->getBinContent(me->getNbinsX())<<endl;
float nlast = me->getBinContent(me->getNbinsX());
float nall = (me->getTH1F())->Integral(1,11);
//printing cout << nall << endl;
(*isum)->Fill(ndet, nlast/nall);
}else if (sname.find("_NCalibErrors_")!=string::npos ||
sname.find("FREQ_")!=string::npos){
float nall = me->getEntries();
(*isum)->Fill(ndet, nall);
}else if (sname.find("GainFitResult2d")!=string::npos){
int NegFitPixels=0;
for(int cols=1; cols!=me->getNbinsX()+1; cols++) for(int rows=1; rows!=me->getNbinsY()+1; rows++){
if(me->getBinContent(cols,rows)<0.) NegFitPixels++;
}
(*isum)->Fill(ndet, float(NegFitPixels));
}else if (sname.find("ALLMODS_adcCOMB_")!=string::npos ||
(sname.find("ALLMODS_chargeCOMB_")!=string::npos && me->getName().find("Track_")==string::npos)){
(*isum)->getTH1F()->Add(me->getTH1F());
}else if (sname.find("_NErrors_")!=string::npos){
string path1 = fullpathname;
path1 = path1.replace(path1.find("NErrors"),7,"errorType");
MonitorElement * me1 = bei->get(path1);
bool notReset=true;
if(me1){
for(int jj=1; jj<16; jj++){
if(me1->getBinContent(jj)>0.){
if(jj==6){ //errorType=30 (reset)
string path2 = path1;
path2 = path2.replace(path2.find("errorType"),9,"TBMMessage");
MonitorElement * me2 = bei->get(path2);
if(me2) if(me2->getBinContent(6)>0. || me2->getBinContent(7)>0.) notReset=false;
}
}
}
}
if(notReset) (*isum)->Fill(ndet, me1->getEntries());
}else if ((sname.find("_charge_")!=string::npos && sname.find("Track_")==string::npos &&
me->getName().find("Track_")==string::npos) ||
(sname.find("_charge_")!=string::npos && sname.find("_OnTrack_")!=string::npos &&
me->getName().find("_OnTrack_")!=string::npos) ||
(sname.find("_charge_")!=string::npos && sname.find("_OffTrack_")!=string::npos &&
me->getName().find("_OffTrack_")!=string::npos) ||
(sname.find("_nclusters_")!=string::npos && sname.find("Track_")==string::npos &&
me->getName().find("Track_")==string::npos) ||
(sname.find("_nclusters_")!=string::npos && sname.find("_OnTrack_")!=string::npos &&
me->getName().find("_OnTrack_")!=string::npos) ||
(sname.find("_nclusters_")!=string::npos && sname.find("_OffTrack_")!=string::npos &&
me->getName().find("_OffTrack_")!=string::npos) ||
(sname.find("_size")!=string::npos && sname.find("Track_")==string::npos &&
me->getName().find("Track_")==string::npos) ||
(sname.find("_size")!=string::npos && sname.find("_OnTrack_")!=string::npos &&
me->getName().find("_OnTrack_")!=string::npos) ||
(sname.find("_size")!=string::npos && sname.find("_OffTrack_")!=string::npos &&
me->getName().find("_OffTrack_")!=string::npos)){
(*isum)->Fill(ndet, me->getMean());
}else if(sname.find("_charge_")==string::npos && sname.find("_nclusters_")==string::npos && sname.find("_size")==string::npos){
(*isum)->Fill(ndet, me->getMean());
//std::cout<<bei->pwd()<<"/"<<(*isum)->getName()<<" , "<<ndet<<" , "<<me->getMean()<<" , "<<(*isum)->getBinContent(ndet)<<std::endl;
}
// set titles:
if(prefix=="SUMOFF"){
(*isum)->setAxisTitle(isbarrel?"Ladders":"Blades",1);
}else if(sname.find("ALLMODS_adcCOMB_")!=string::npos){
(*isum)->setAxisTitle("Digi charge [ADC]",1);
}else if(sname.find("ALLMODS_chargeCOMB_")!=string::npos){
(*isum)->setAxisTitle("Cluster charge [kilo electrons]",1);
}else{
(*isum)->setAxisTitle("Modules",1);
}
string title = " ";
if (sname.find("_RMS_")!=string::npos){
title = "RMS of " + sname.substr(7,(sname.find("_",7)-7)) + " per module";
}else if (sname.find("_FracOfPerfectPix_")!=string::npos){
title = "FracOfPerfectPix " + sname.substr(7,(sname.find("_",7)-7)) + " per module";
}else if(sname.find("_NCalibErrors_")!=string::npos){
title = "Number of CalibErrors " + sname.substr(7,(sname.find("_",7)-7)) + " per module";
}else if(sname.find("_NNegativeFits_")!=string::npos){
title = "Number of pixels with neg. fit result " + sname.substr(7,(sname.find("_",7)-7)) + " per module";
}else if (sname.find("FREQ_")!=string::npos){
title = "NEvents with digis per module";
}else if (sname.find("ALLMODS_adcCOMB_")!=string::npos){
title = "NDigis";
}else if (sname.find("ALLMODS_chargeCOMB_")!=string::npos){
title = "NClusters";
}else if (sname.find("_NErrors_")!=string::npos){
if(prefix=="SUMOFF" && isbarrel) title = "Total number of errors per Ladder";
else if(prefix=="SUMOFF" && !isbarrel) title = "Total number of errors per Blade";
else title = "Total number of errors per Module";
}else{
if(prefix=="SUMOFF") title = "Mean " + sname.substr(7,(sname.find("_",7)-7)) + (isbarrel?" per Ladder":" per Blade");
else title = "Mean " + sname.substr(7,(sname.find("_",7)-7)) + " per Module";
}
(*isum)->setAxisTitle(title,2);
}
break;
}
}
}
bei->goUp();
if(dir_name.find("Blade") == 0) bei->goUp(); // Going up a second time if we are processing the Blade
} // end for it (subdirs)
} else {
vector<string> subdirs = bei->getSubdirs();
// printing cout << "#\t" << bei->pwd() << endl;
if(isbarrel)
{
for (vector<string>::const_iterator it = subdirs.begin();
it != subdirs.end(); it++) {
// cout << "##\t" << bei->pwd() << "\t" << (*it) << endl;
if((bei->pwd()).find("Endcap")!=string::npos ||
(bei->pwd()).find("AdditionalPixelErrors")!=string::npos) bei->goUp();
bei->cd(*it);
if((*it).find("Endcap")!=string::npos ||
(*it).find("AdditionalPixelErrors")!=string::npos) continue;
fillSummary(bei, dir_name, me_names, true); // Barrel
bei->goUp();
}
string grandbarrel_structure_name;
vector<string> grandbarrel_me_names;
if (!configParser_->getMENamesForGrandBarrelSummary(grandbarrel_structure_name, grandbarrel_me_names)){
cout << "SiPixelActionExecutor::createSummary: Failed to read Grand Barrel Summary configuration parameters!! ";
return;
}
fillGrandBarrelSummaryHistos(bei, grandbarrel_me_names);
}
else // Endcap
{
for (vector<string>::const_iterator it = subdirs.begin();
it != subdirs.end(); it++) {
// cout << "##\t" << bei->pwd() << "\t" << (*it) << endl;
if((bei->pwd()).find("Barrel")!=string::npos ||
(bei->pwd()).find("AdditionalPixelErrors")!=string::npos) bei->goUp();
bei->cd((*it));
if ((*it).find("Barrel")!=string::npos ||
(*it).find("AdditionalPixelErrors")!=string::npos) continue;
fillSummary(bei, dir_name, me_names, false); // Endcap
bei->goUp();
}
string grandendcap_structure_name;
vector<string> grandendcap_me_names;
if (!configParser_->getMENamesForGrandEndcapSummary(grandendcap_structure_name, grandendcap_me_names)){
cout << "SiPixelActionExecutor::createSummary: Failed to read Grand Endcap Summary configuration parameters!! ";
return;
}
fillGrandEndcapSummaryHistos(bei, grandendcap_me_names);
}
}
// cout<<"...leaving SiPixelActionExecutor::fillSummary!"<<endl;
// End of cleanup
}
| const StorageAccount::StorageStats & StorageAccount::summary | ( | void | ) | [static] |
| std::string StorageAccount::summaryText | ( | bool | banner = false | ) | [static] |
Definition at line 35 of file StorageAccount.cc.
References first, i, j, and s_stats.
Referenced by TFileAdaptor::stats().
{
bool first = true;
std::ostringstream os;
if (banner)
os << "stats: class/operation/attempts/successes/amount/time-total/time-min/time-max\n";
for (StorageStats::iterator i = s_stats.begin (); i != s_stats.end(); ++i)
for (OperationStats::iterator j = i->second->begin (); j != i->second->end (); ++j, first = false)
os << (first ? "" : "; ")
<< i->first << '/'
<< j->first << '='
<< j->second.attempts << '/'
<< j->second.successes << '/'
<< (j->second.amount / 1024 / 1024) << "MB/"
<< (j->second.timeTotal / 1000 / 1000) << "ms/"
<< (j->second.timeMin / 1000 / 1000) << "ms/"
<< (j->second.timeMax / 1000 / 1000) << "ms";
return os.str ();
}
| std::string StorageAccount::summaryXML | ( | void | ) | [static] |
Definition at line 56 of file StorageAccount.cc.
{
std::ostringstream os;
os << "<storage-timing-summary>\n";
for (StorageStats::iterator i = s_stats.begin (); i != s_stats.end(); ++i)
for (OperationStats::iterator j = i->second->begin (); j != i->second->end (); ++j)
os << " <counter-value subsystem='" << i->first
<< "' counter-name='" << j->first
<< "' num-operations='" << j->second.attempts
<< "' num-successful-operations='" << j->second.successes
<< "' total-megabytes='" << (j->second.amount / 1024 / 1024)
<< "' total-msecs='" << (j->second.timeTotal / 1000 / 1000)
<< "' min-msecs='" << (j->second.timeMin / 1000 / 1000)
<< "' max-msecs='" << (j->second.timeMax / 1000 / 1000) << "'/>\n";
os << "</storage-timing-summary>";
return os.str ();
}
1.7.3